{"id":27132,"date":"2025-04-19T17:17:08","date_gmt":"2025-04-19T17:17:08","guid":{"rendered":""},"modified":"2025-05-18T05:40:34","modified_gmt":"2025-05-18T05:40:34","slug":"cve-2023-45230-buffer-overflow-vulnerability-in-edk2-s-network-package","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2023-45230-buffer-overflow-vulnerability-in-edk2-s-network-package\/","title":{"rendered":"<strong>CVE-2023-45230: Buffer Overflow Vulnerability in EDK2&#8217;s Network Package<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>Cybersecurity is an ever-evolving field, with new vulnerabilities popping up regularly. One such vulnerability, CVE-2023-45230, affects EDK2&#8217;s Network Package and has a significant impact on the Confidentiality, Integrity, and\/or Availability (CIA) of the systems it affects. This vulnerability is particularly concerning as it could <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-33033-audio-playback-memory-corruption-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"31237\">lead to unauthorized access and potential data leakage or system<\/a> compromise.<br \/>\nThe affected software, EDK2, is widely used in the development of UEFI firmware, which means a large number of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-21737-critical-sap-application-interface-framework-file-adapter-vulnerability-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"31895\">systems could potentially<\/a> be at risk. In this article, we will delve into the details of this vulnerability, discuss how it works, and <a href=\"https:\/\/www.ameeba.com\/blog\/army-cio-s-new-guidance-aligns-cybersecurity-service-providers-implications-and-insights\/\"  data-wpil-monitor-id=\"36204\">provide mitigation guidance<\/a>.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2023-45230<br \/>\nSeverity: High (8.3\/10)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: Potential <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-33113-memory-corruption-vulnerability-leading-to-system-compromise-or-data-leakage\/\"  data-wpil-monitor-id=\"31348\">system compromise or data<\/a> leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1280093021\" class=\"ameeb-content-2 ameeb-entity-placement\"><div style=\"border-left: 4px solid #555; padding-left: 20px; margin: 48px 0; font-family: Roboto, sans-serif; color: #ffffff; line-height: 1.6; max-width: 700px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 20px; font-weight: 600; display: flex; align-items: center;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 8px;\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.ameeba.com\/blog\/wp-content\/uploads\/2025\/10\/Best-App-icon-Ameeba.png\" alt=\"Ameeba Chat Icon\" style=\"width: 40px; height: 40px;\" \/>\r\n    <\/a>\r\n    A new way to communicate\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 12px;\">\r\n    Ameeba Chat is built on encrypted identity, not personal profiles.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 16px;\">\r\n    Message, call, share files, and coordinate with identities kept separate.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 20px;\">\r\n    <li>\u2022 Encrypted identity<\/li>\r\n    <li>\u2022 Ameeba Chat authenticates access<\/li>\r\n    <li>\u2022 Aliases and categories<\/li>\r\n    <li>\u2022 End-to-end encrypted chat, calls, and files<\/li>\r\n    <li>\u2022 Secure notes for sensitive information<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px;\">\r\n    Private communication, rethought.\r\n  <\/p>\r\n\r\n  <div style=\"display: flex; flex-wrap: wrap; gap: 12px;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\/download\" style=\"background-color: #ffffff; color: #000000; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Download Ameeba Chat<\/a>\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Learn More<\/a>\r\n  <\/div>\r\n<\/div>\r\n<\/div>\n<p>Product | Affected Versions<\/p>\n<p>EDK2 | All <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-52307-high-severity-stack-overflow-vulnerability-in-paddlepaddle-prior-to-version-2-6-0\/\"  data-wpil-monitor-id=\"33929\">versions prior<\/a> to patch<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The vulnerability arises from a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-23186-sap-netweaver-application-server-abap-vulnerability-exposing-remote-credentials\/\"  data-wpil-monitor-id=\"31286\">buffer overflow<\/a> condition in the DHCPv6 client when processing a long server ID option. An attacker can craft a malicious DHCPv6 response packet with an overly long server ID option, causing a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3538-stack-based-buffer-overflow-in-d-link-di-8100-16-07-26a1\/\"  data-wpil-monitor-id=\"33008\">buffer overflow<\/a> in the client. This overflow can be exploited to execute arbitrary code, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-43514-memory-corruption-vulnerability-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"31562\">potentially leading to unauthorized system<\/a> access, data leakage, or even a system compromise.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-708207773\" class=\"ameeb-content ameeb-entity-placement\"><div class=\"poptin-embedded\" data-id=\"f6b387694f681\"><\/div>\r\n\r\n\r\n\r\n\r\n\r\n<\/div>\n<p>Here is a conceptual example of how the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-50123-exploitable-vulnerability-in-hozard-alarm-system-sms-authentication\/\"  data-wpil-monitor-id=\"36205\">vulnerability might be exploited<\/a> using a crafted DHCPv6 packet:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/dhcpv6\/client HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/dhcpv6\n{ &quot;server_id_option&quot;: &quot;An overly long string that causes buffer overflow...&quot; }<\/code><\/pre>\n<p>In the above example, a malicious DHCPv6 packet containing an excessively long &#8220;server_id_option&#8221; is sent to the target system. When the DHCPv6 client attempts to process this packet, it overflows the buffer allocated for the server ID, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-58136-critical-vulnerability-in-yii-2-framework-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"31697\">potentially leading to unauthorized system<\/a> access or data leakage.<\/p>\n<p><strong>Mitigation<\/strong><\/p>\n<p>The primary mitigation for this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-0984-critical-file-upload-and-xss-vulnerability-in-netoloji-software-e-flow\/\"  data-wpil-monitor-id=\"43981\">vulnerability is to apply a patch provided by the software<\/a> vendor. If a patch cannot be applied immediately, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation by detecting and blocking malicious traffic.<br \/>\nIt&#8217;s crucial to keep systems updated with the latest patches and to follow good cybersecurity hygiene practices, such as using strong, unique passwords and enabling <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-55210-bypassing-multi-factor-authentication-in-totvs-framework\/\"  data-wpil-monitor-id=\"31761\">multi-factor authentication<\/a> whenever possible. By staying <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30353-critical-information-disclosure-vulnerability-in-directus\/\"  data-wpil-monitor-id=\"31493\">informed about new vulnerabilities<\/a> and taking swift action when they are discovered, organizations can significantly reduce their cybersecurity risk.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview Cybersecurity is an ever-evolving field, with new vulnerabilities popping up regularly. One such vulnerability, CVE-2023-45230, affects EDK2&#8217;s Network Package and has a significant impact on the Confidentiality, Integrity, and\/or Availability (CIA) of the systems it affects. This vulnerability is particularly concerning as it could lead to unauthorized access and potential data leakage or system [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[86],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-27132","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-buffer-overflow"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/27132","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/comments?post=27132"}],"version-history":[{"count":12,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/27132\/revisions"}],"predecessor-version":[{"id":39348,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/27132\/revisions\/39348"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=27132"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=27132"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=27132"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=27132"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=27132"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=27132"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=27132"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=27132"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=27132"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}